# K1206L200AR

**KUU** · Resettable Fuses · 1206

K1206L200AR from KUU, in a 1206. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | 1 | passive | Terminal 1 of an unpolarised fuse; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised fuse; either orientation. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | KUU |
| Package | 1206 |
| Category | Circuit Protection |
| Pins | 2 |

## Electrical characteristics

Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Maximum voltage (V max) | V max |  |  | 6 | V |  | 1 |
| Maximum current (I max) | I max |  |  | 100 | A |  | 1 |
| Maximum operating time |  |  |  | 1 | Sec. |  | 1 |
| Minimum resistance (R min) | R min | 0.02 |  |  | Ω |  | 1 |
| Maximum resistance (R1 max) | R1 max |  |  | 0.12 | Ω |  | 1 |
| Hold current | IH |  | 2 |  | A |  | 1 |
| Trip current | IT |  | 4 |  | A |  | 1 |
| Power dissipation (typ) | Pd typ |  | 0.7 |  | W |  | 1 |

## CAD (KiCad official)

- Symbol: `K1206L200AR`
- Footprint: `Fuse:Fuse_1206_3216Metric`
- 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files: `k1206l200ar-etched.step` / `k1206l200ar-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `k1206l200ar.step` / `k1206l200ar.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [KUU datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590191852600668160) (2 pp, sha256 `fcf3f287c9c973ae`, retrieved 2026-10-18, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `two-terminal convention` (convention), consensus `off` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
- **CAD:** KiCad official libraries (CC-BY-SA 4.0).

[Datasheet PDF](docs/k1206l200ar-datasheet.pdf)